fedora: include ovs-save file in the rpm package

fedora: include ovs-save file in the rpm package

Otherwise, "ovs-ctl force-reload-kmod ..." command fails with:

Detected internal interfaces: br-int p1                    [  OK  ]
Saving flows /usr/share/openvswitch/scripts/ovs-ctl:
line 267: /usr/share/openvswitch/scripts/ovs-save: No such file or directory
                                                           [FAILED]
Exiting ovsdb-server (3228)                                [  OK  ]
Starting ovsdb-server                                      [  OK  ]
Configuring Open vSwitch system IDs                        [  OK  ]
Exiting ovs-vswitchd (3243)                                [  OK  ]
Saving interface configuration /usr/share/openvswitch/scripts/ovs-ctl:
line 294: /usr/share/openvswitch/scripts/ovs-save: No such file or directory
                                                           [FAILED]
Failed to save configuration, not replacing kernel module ... (warning).
Starting ovs-vswitchd                                      [  OK  ]
Enabling remote OVSDB managers                             [  OK  ]

Signed-off-by: Ansis Atteka <ansisatteka@gmail.com>
Reported-by: Sanal Pillai <sanalp@vmware.com>
Acked-by: Ben Pfaff <blp@ovn.org>